Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 1

Full Moon 100%

16:06

07:52

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:42, Set: 16:45, Transit: 12:13. Moon - Rise: 16:06, Set: 07:52. Civil Dark: 17:22 - 07:04. Nautical Dark: 18:04 - 06:23. Astro Dark: 18:44 - 05:42

Total Clouds (% Sky Obscured)

99
100
100
97
99
99
90
88
95
98
90
93
97
100
100
91
100
100
93
96
91
92
98
76

Low Clouds (% Sky Obscured)

73
82
69
77
66
69
78
82
82
90
77
79
85
83
85
85
100
100
86
96
90
91
98
70

Medium Clouds (% Sky Obscured)

74
100
97
97
99
98
73
30
85
96
90
93
97
99
100
84
75
86
79
60
60
60
3
3

High Clouds (% Sky Obscured)

49
100
62
75
66
65
4
2
0
0
2
36
50
50
65
45
4
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
100
100
100
42
0
1
3
5
6
7
6
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
0
1
1
2
1
2
2
6
7
6
7
20
44
66
61
47
38
37
15
12
16
15
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
7
6
6
6
7
7
7
7
6
5
5
5
5
6
6
7
6
6
6
7
6
7

Chance of Frost

Temperature (°C)

6
6
6
5
5
5
6
7
8
8
8
8
8
7
7
7
7
6
6
6
6
6
6
6

Feels Like (°C)

3
3
3
3
2
3
4
5
6
6
6
6
6
5
4
4
4
3
4
3
3
3
4
3

Dew Point (°C)

5
5
5
5
4
5
5
5
5
5
5
6
6
5
5
5
5
5
5
5
5
5
6
5

Relative Humidity (%)

93
93
93
96
96
96
91
87
84
82
81
84
88
90
91
91
91
93
91
93
94
94
96
94

Pressure (mb)

1001
1001
1001
1001
1001
1001
1001
1002
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1000
999
999
999
999
998

Ozone (du)

425
423
427
428
424
417
408
406
400
397
390
387
387
391
394
394
395
396
396
398
399
400
398
395

Monday 2

Waning Gibbous 98%

17:37

08:11

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:40, Set: 16:47, Transit: 12:13. Moon - Rise: 17:37, Set: 08:11. Civil Dark: 17:24 - 07:03. Nautical Dark: 18:05 - 06:21. Astro Dark: 18:46 - 05:41

Total Clouds (% Sky Obscured)

87
77
74
70
69
83
68
99
100
100
100
100
99
99
97
98
100
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
70
63
57
56
74
57
97
100
100
100
100
98
97
92
93
97
81
81
99
95
100
99
99

Medium Clouds (% Sky Obscured)

6
0
0
0
0
0
0
5
16
0
2
7
0
21
40
26
54
55
59
58
75
78
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
7
14
2
40
6
4
4
60
76
100
77
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
9
1
9
7
3
1
9
3
15
10
4
8
3
15
6
5
15
3
5
3
13
1
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
10
10
10
12
13
15
16
15
16
17
18
18
17
17
17
17
18
17
19
19
20
20

Chance of Frost

Temperature (°C)

6
6
5
5
5
5
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
5
4

Feels Like (°C)

3
2
1
1
1
1
1
1
1
0
0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-2
-2
-2
-2

Dew Point (°C)

5
5
5
5
4
5
5
5
5
5
5
5
5
4
4
4
4
4
3
3
3
3
3
3

Relative Humidity (%)

94
94
96
94
93
96
93
91
91
90
93
94
93
93
91
94
93
91
83
89
91
91
91
89

Pressure (mb)

998
998
998
998
998
998
998
998
998
997
997
997
997
997
997
997
997
997
997
997
996
996
996
996

Ozone (du)

396
396
394
389
385
383
383
381
380
378
377
375
377
377
377
376
377
379
378
379
378
376
378
377

Tuesday 3

Waning Gibbous 94%

19:02

08:24

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:38, Set: 16:49, Transit: 12:13. Moon - Rise: 19:02, Set: 08:24. Civil Dark: 17:26 - 07:01. Nautical Dark: 18:07 - 06:20. Astro Dark: 18:47 - 05:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
99
96
92
88
86

Low Clouds (% Sky Obscured)

99
94
96
94
93
95
96
90
100
100
89
88
90
91
90
88
80
82
100
83
82
79
78
77

Medium Clouds (% Sky Obscured)

100
100
98
98
100
100
100
100
87
85
100
75
99
100
100
100
100
96
94
97
90
81
76
73

High Clouds (% Sky Obscured)

100
100
100
100
77
99
100
100
100
100
96
100
96
86
57
10
68
65
61
65
3
34
40
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
1
9
9
9
9
9
9
1
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
15
23
25
38
52
62
55
69
78
73
63
61
73
74
71
47
32
13
11
10
11
10
33

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0
0.4
0.5
0.4
0.2
0
0.3
0.3
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
20
21
20
19
19
18
18
17
15
14
12
11
10
7
7
5
5
4
4
6
6
6
5

Chance of Frost

Temperature (°C)

4
4
4
4
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
4
4
4

Feels Like (°C)

-3
-3
-4
-3
-4
-3
-3
-3
-3
-2
-2
-1
-1
-1
0
-0
1
1
2
2
2
2
2
2

Dew Point (°C)

2
2
2
2
2
2
2
2
2
2
2
3
2
3
3
3
4
4
4
4
4
4
4
4

Relative Humidity (%)

89
91
88
91
88
88
88
86
88
89
89
93
91
94
96
96
96
96
98
98
96
96
98
98

Pressure (mb)

996
996
995
995
996
996
996
996
995
995
995
995
995
994
994
995
995
995
995
995
995
995
995
995

Ozone (du)

376
377
377
377
376
375
378
379
378
379
379
377
378
376
376
379
381
383
386
387
391
398
409
421

Wednesday 4

Waning Gibbous 88%

20:23

08:35

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:36, Set: 16:51, Transit: 12:14. Moon - Rise: 20:23, Set: 08:35. Civil Dark: 17:28 - 06:59. Nautical Dark: 18:09 - 06:18. Astro Dark: 18:49 - 05:38

Total Clouds (% Sky Obscured)

86
85
84
82
84
90
94
98
91
75
53
42
39
40
45
52
100
100
82
100
100
100
100
99

Low Clouds (% Sky Obscured)

76
74
75
73
75
82
90
97
86
69
53
42
39
40
45
52
95
88
81
75
74
71
67
60

Medium Clouds (% Sky Obscured)

73
70
68
66
69
59
7
5
9
14
13
5
3
1
2
7
65
38
65
100
99
97
96
94

High Clouds (% Sky Obscured)

30
25
17
9
5
4
4
3
2
1
0
0
0
0
9
18
28
71
33
58
76
49
60
86

ISS Passover

Visibility (miles)

2
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
35
13
6
1
2
2
2
4
5
3
6
7
2
5
5
0
0
0
0
9
1
0
0

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
4
5
5
6
7
9
10
10
9
8
9
9
9
9
9
9
9
9
10
10
11
11

Chance of Frost

Temperature (°C)

4
4
4
5
5
5
6
7
8
9
9
9
8
7
6
6
5
5
5
5
5
6
6
6

Feels Like (°C)

2
3
3
3
3
3
4
5
5
6
7
8
7
5
4
4
4
2
2
2
1
2
2
1

Dew Point (°C)

4
4
4
4
4
5
6
6
6
6
6
6
6
5
5
5
5
4
4
4
4
4
5
4

Relative Humidity (%)

98
98
98
96
94
94
98
94
88
84
80
82
85
90
91
93
94
94
94
93
91
91
91
90

Pressure (mb)

995
995
995
995
996
996
996
996
996
996
996
996
996
996
997
997
997
997
997
996
996
996
995
995

Ozone (du)

429
440
451
452
453
453
449
448
448
447
448
451
454
458
457
456
452
446
441
439
442
449
455
457

Thursday 5

Waning Gibbous 81%

21:42

08:44

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:35, Set: 16:53, Transit: 12:14. Moon - Rise: 21:42, Set: 08:44. Civil Dark: 17:29 - 06:58. Nautical Dark: 18:10 - 06:17. Astro Dark: 18:51 - 05:37

Total Clouds (% Sky Obscured)

98
97
96
94
93
93
92
92
93
95
97
98
98
99
98
98
98
98
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
58
59
59
54
55
64
72
78
80
82
86
91
96
94
94
94
95
96
97
98
99
100
100

Medium Clouds (% Sky Obscured)

92
92
91
90
88
86
83
47
24
33
40
36
31
25
48
65
84
64
47
29
30
31
40
46

High Clouds (% Sky Obscured)

69
53
53
51
45
34
45
44
40
30
25
36
39
42
67
73
80
68
56
44
31
19
3
11

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
7
7
2
9
14
19
14
8
2
1
9
3
9
9
8
10
11
12
13
13
14
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
12
13
13
13
15
15
16
17
17
17
17
17
16
15
15
14
15
16
17
17
17
17

Chance of Frost

Temperature (°C)

6
5
5
5
5
5
5
5
6
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4

Feels Like (°C)

1
0
-0
-1
-1
-1
-1
-1
-0
-1
-1
-1
-2
-2
-2
-2
-2
-1
-1
-1
-1
-1
-1
-1

Dew Point (°C)

4
4
4
3
3
3
3
3
3
3
3
2
1
1
1
2
2
3
2
2
2
2
1
1

Relative Humidity (%)

91
91
91
88
88
88
85
85
83
83
83
80
79
77
82
85
86
89
88
88
88
86
85
83

Pressure (mb)

994
994
994
994
995
995
995
995
994
994
994
994
994
994
994
993
993
993
992
992
992
992
992
992

Ozone (du)

454
443
439
433
430
427
431
431
425
426
422
419
411
410
410
410
411
411
412
413
414
413
413
412

Friday 6

Waning Gibbous 72%

22:58

08:53

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:33, Set: 16:54, Transit: 12:14. Moon - Rise: 22:58, Set: 08:53. Civil Dark: 17:31 - 06:56. Nautical Dark: 18:12 - 06:15. Astro Dark: 18:52 - 05:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
99
99
98
99
99
100
99
98
97
97
95
93
93
91
90
93
96
100
100

Medium Clouds (% Sky Obscured)

47
35
26
25
23
19
15
25
30
30
30
29
23
22
37
52
66
62
59
58
59
54
48
55

High Clouds (% Sky Obscured)

18
26
27
30
32
49
66
83
86
89
93
72
51
30
53
76
100
67
34
1
23
45
67
52

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

22
26
26
24
23
28
32
35
35
33
32
36
40
42
47
49
51
54
55
55
49
42
36
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

16
16
16
16
15
15
15
14
14
14
14
15
15
16
15
14
13
13
12
12
11
11
11
11

Chance of Frost

Temperature (°C)

4
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3

Feels Like (°C)

-1
-2
-2
-1
-2
-1
-1
-2
-2
-0
-0
0
-0
0
0
0
0
0
0
0
0
0
1
1

Dew Point (°C)

1
1
0
0
-0
-0
0
0
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2

Relative Humidity (%)

83
82
80
79
77
76
77
77
79
79
79
77
79
82
85
85
86
88
88
88
88
88
89
88

Pressure (mb)

992
992
991
992
992
992
992
993
993
993
993
993
993
994
994
995
995
996
996
996
996
997
997
997

Ozone (du)

410
408
406
406
407
407
410
414
417
419
421
423
424
424
424
426
428
430
429
428
427
427
427
427

Saturday 7

Waning Gibbous 72%

00:15

09:03

Sun - Rise: 07:31, Set: 16:56, Transit: 12:14. Moon - Rise: 00:15, Set: 09:03. Civil Dark: 17:33 - 06:54. Nautical Dark: 18:14 - 06:13. Astro Dark: 18:54 - 05:33

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 01/02/26 04:52:14. Forecast: 01/02/26 to 07/02/26. Timezone: UTC+0.00